Hitachi P50T01E Service Manual page 23

[Sub Picture troubleshooting]
[Teletext troubleshooting]
P50T01U/E P50TP01U/E P42T01U/E P42TP01U/E
No picture, no colour or dark
Change MAIN PCB
If no improvement,
change Terminal PCB
No Teletext (analog)
Are the signals of
QM14/15(CV input) of MAIN
PCB normal?
Change MAIN PCB
If no improvement,
change Terminal PCB
No
Yes
22
Change MAIN PCB